Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Na formação original, quem interpretou o personagem retratado por Christopher Harris no País de Gales?
 ###Tabelas: CREATE TABLE season_1_1996–97 (season_1_1996–97_id AUTO_INCREMENT PRIMARY KEY, Series # INT, Title VARCHAR, Directed by VARCHAR, Written by VARCHAR, Original air date VARCHAR) CREATE TABLE characters (characters_id AUTO_INCREMENT PRIMARY KEY, Character VARCHAR, Original Cast, 2009 VARCHAR, Revival Cast, 2010 VARCHAR, Wales Cast, 2012 VARCHAR, New Zealand Cast, 2012 VARCHAR, Australian Cast, 2012 VARCHAR) CREATE TABLE main_setlist (main_setlist_id AUTO_INCREMENT PRIMARY KEY, Year INT, Song VARCHAR, Artist VARCHAR, Genre VARCHAR, Band Tour Venue VARCHAR, Exportable? VARCHAR) CREATE TABLE doubles:_30_12–18 (doubles:_30_12–18_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Date VARCHAR, Tournament VARCHAR, Partner VARCHAR, Opponents in the final VARCHAR) CREATE TABLE chronological_list_of_grand_slam_singles_titles_leaders (chronological_list_of_grand_slam_singles_titles_leaders_id AUTO_INCREMENT PRIMARY KEY, Years led VARCHAR, Span of years led INT, Player VARCHAR, Titles won at point of lead INT, Total Career titles INT, Tournament at which lead began VARCHAR)  
SELECT Original Cast, 2009 FROM characters WHERE Wales Cast, 2012 = Christopher Harris